Disassembling copper lists

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Description

I've been mucking about figuring out how to write IDA plugins over the past few days and I've worked it out now - it's quite straight forward really. Somehow I thought there would be more of a learning curve but it's really not too bad. As something easy to start with I've written a "Copper list annotater" which, if you tell it where a copper list starts, will "disassemble" the copper list and add comments telling you what each copper instruction does (exactly the same as if you use the "o" command in the WinUAE debugger). I actually based it on the code from WinUAE to save re-inventing the wheel.